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Forum: General Boating Discussion

30-09-2009, 07:33 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

I guess in those situations they would be...

I guess in those situations they would be unstable at the tips due to going supersonic.

Come to that what would happen if a prop blade went supersonic. That was a missed opportunity with Pash and...

Forum: General Boating Discussion

30-09-2009, 06:14 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

In a similar manner to you wondering about...

In a similar manner to you wondering about stepping the leading edge I've always wondered what the effect would be of introducing winglets to the ends of blades to control the vortices?

Forum: General Boating Discussion

30-09-2009, 06:08 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

You actually had me going for a bit there so I've...

You actually had me going for a bit there so I've just done extensive research on the net to check myself (briefly scanned the first item that came up).

I think we are using differing decriptions...

Forum: General Boating Discussion

30-09-2009, 05:31 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

Feck me I never knew there was that much money in...

Feck me I never knew there was that much money in talking bollox unless................................................................ :brain: your not Tony Blairs brother are you?
:devil:

Forum: General Boating Discussion

30-09-2009, 05:28 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

I can see your point and the newtonian bit makes...

I can see your point and the newtonian bit makes sense completely.

and of course, every action.....Have you tried throwing yourself out of the back of your old tub, gotta be worth a good few MPH...

Forum: General Boating Discussion

30-09-2009, 04:56 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

The thing I was always taught is to ignore the...

The thing I was always taught is to ignore the principle of it being a screw as it is fundamentally incorrect thinking.

My understanding is that the prop works in a number of different ways but...

Forum: General Boating Discussion

30-09-2009, 03:02 PM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

I think you're right in theory Jon but possibly...

I think you're right in theory Jon but possibly we get too hung up on how high is high.

The bit that always blows the brains is understanding the majority of a prop's motiveness comes from the...

Forum: General Boating Discussion

30-09-2009, 11:07 AM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

Same as that but then if we did know? ...

Same as that but then if we did know?

https://www.wpclipart.com/American_History/settlement/.cache/ducking_stool.png

I actually run a 26" Maximus on the Revenger as I was over revving with a 24"...

Forum: General Boating Discussion

30-09-2009, 01:19 AM

Replies: 54

Phantom 23 bottom pictures

Views: 8,241

Posted By motorvator

Jon, isn't that down to prop efficiency related...

Jon, isn't that down to prop efficiency related to number blades i.e. increased slip?

I was always under the impression that technically the most efficient form for a prop was single blade...

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